WO2008136200A1 - 信号判定装置及び信号判定方法 - Google Patents

信号判定装置及び信号判定方法 Download PDF

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Publication number
WO2008136200A1
WO2008136200A1 PCT/JP2008/051642 JP2008051642W WO2008136200A1 WO 2008136200 A1 WO2008136200 A1 WO 2008136200A1 JP 2008051642 W JP2008051642 W JP 2008051642W WO 2008136200 A1 WO2008136200 A1 WO 2008136200A1
Authority
WO
WIPO (PCT)
Prior art keywords
phase difference
signal judgment
carrier
reception symbol
judges
Prior art date
Application number
PCT/JP2008/051642
Other languages
English (en)
French (fr)
Inventor
Naganori Shirakata
Shuya Hosokawa
Kenji Miyanaga
Koji Imamura
Original Assignee
Panasonic Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/376,157 priority Critical patent/US8179782B2/en
Priority to EP08704351.9A priority patent/EP2043288B1/en
Priority to JP2009512888A priority patent/JP5015245B2/ja
Priority to CN2008800004931A priority patent/CN101542999B/zh
Publication of WO2008136200A1 publication Critical patent/WO2008136200A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

　ＦＦＴ部１７０は受信シンボルをフーリエ変換して複数のサブキャリアに分離し、位相差検出部１９３は４本のパイロットキャリアと当該パイロットキャリアに隣接するデータキャリア（隣接キャリア）との位相差を検出する。判定部１９４は、位相差検出部１９３によって検出されたパイロットキャリアと隣接キャリアとの位相差が位相差条件を満たすか否かを判定する。そして、判定部１９４は、位相差条件を満たす位相差の数が所定数以上あれば受信シンボルがＨＴＳＩＧであると判定し、位相差条件を満たす位相差の数が所定数未満であれば受信シンボルがＳＩＧ及びＤＡＴＡの何れかであると判定する。
PCT/JP2008/051642 2007-04-27 2008-02-01 信号判定装置及び信号判定方法 WO2008136200A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/376,157 US8179782B2 (en) 2007-04-27 2008-02-01 Signal judgment apparatus and signal judgment method
EP08704351.9A EP2043288B1 (en) 2007-04-27 2008-02-01 Signal judgment apparatus and signal judgment method
JP2009512888A JP5015245B2 (ja) 2007-04-27 2008-02-01 信号判定装置及び信号判定方法
CN2008800004931A CN101542999B (zh) 2007-04-27 2008-02-01 信号判定装置及信号判定方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-118670 2007-04-27
JP2007118670 2007-04-27

Publications (1)

Publication Number Publication Date
WO2008136200A1 true WO2008136200A1 (ja) 2008-11-13

Family

ID=39943320

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/051642 WO2008136200A1 (ja) 2007-04-27 2008-02-01 信号判定装置及び信号判定方法

Country Status (5)

Country Link
US (1) US8179782B2 (ja)
EP (1) EP2043288B1 (ja)
JP (1) JP5015245B2 (ja)
CN (1) CN101542999B (ja)
WO (1) WO2008136200A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012114413A1 (ja) * 2011-02-24 2012-08-30 三洋電機株式会社 受信装置
JP2018019408A (ja) * 2017-09-06 2018-02-01 パナソニック株式会社 無線通信装置及び無線通信方法
WO2018158876A1 (ja) * 2017-03-01 2018-09-07 三菱重工機械システム株式会社 到来角度特定装置、料金収受システム及び到来角度特定方法

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US8509329B2 (en) * 2009-11-06 2013-08-13 Samsung Electronics Co., Ltd. Data receiving apparatus for receiving data frame using constellation mapping scheme and data transmission apparatus for transmitting the date frame
US20130156127A1 (en) * 2010-07-07 2013-06-20 Donald L. Schilling OFDM Synchronization and Signal Channel Estimation
US8478203B2 (en) * 2011-07-31 2013-07-02 Xiao-an Wang Phase synchronization of base stations via mobile feedback in multipoint broadcasting
US9357528B2 (en) * 2012-09-28 2016-05-31 Zte Wistron Telecom Ab Wireless communications based on identifying lower power nodes in heterogeneous network deployments
JP6118616B2 (ja) * 2013-03-29 2017-04-19 富士通株式会社 受信機および同期補正方法
WO2014182230A1 (en) 2013-05-08 2014-11-13 Zte Wistron Telecom Ab Using a geometry indicator in hetnet deployments
US9729289B2 (en) 2013-08-12 2017-08-08 Texas Instruments Incorporated Frequency diversity modulation system and method
US9467394B2 (en) * 2013-09-12 2016-10-11 Texas Instruments Incorporated Time and frequency diversity modulation system and method
US9936373B2 (en) 2013-09-25 2018-04-03 Zte Wistron Telecom Ab Discovery signals in heterogeneous wireless networks
CN104363192B (zh) * 2014-10-21 2017-10-31 江苏中兴微通信息科技有限公司 一种兼容多种帧格式的mimo通信系统的接收方法和装置
US9693240B2 (en) 2015-05-29 2017-06-27 Interdigital Technology Corporation Methods and apparatuses for advanced receiver design
US10420052B2 (en) * 2016-02-25 2019-09-17 Qualcomm Incorporated Estimating frequency error with beacon transmissions
CN114184837B (zh) * 2021-12-09 2022-10-18 电子科技大学 一种基于Cordic算法的瞬时测频方法

Citations (1)

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Publication number Priority date Publication date Assignee Title
JP3754441B1 (ja) 2004-09-10 2006-03-15 三洋電機株式会社 受信方法ならびに装置およびそれを利用した通信システム

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CN1259785C (zh) * 2003-08-04 2006-06-14 大唐移动通信设备有限公司 获取时分同步cdma（td－scdma）用户终端的载波频偏的方法
US7616711B2 (en) * 2004-07-20 2009-11-10 Qualcomm Incorporated Frequency domain filtering to improve channel estimation in multicarrier systems
JP4255916B2 (ja) * 2005-01-04 2009-04-22 日本電信電話株式会社 マルチキャリア信号復調回路およびマルチキャリア信号復調方法
JP4841331B2 (ja) * 2005-09-14 2011-12-21 三洋電機株式会社 無線装置およびそれを利用した通信システム
US7995665B2 (en) * 2006-06-26 2011-08-09 Ralink Technology (Singapore) Corporation Pte. Ltd. Method and apparatus for reception in a multi-input-multi-output (MIMO) orthogonal frequency domain modulation (OFDM) wireless communication system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3754441B1 (ja) 2004-09-10 2006-03-15 三洋電機株式会社 受信方法ならびに装置およびそれを利用した通信システム

Non-Patent Citations (1)

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Title
SYED AON MUJTABA, AGERE SYSTEMS: "TGn Sync Proposal Technical Specification", IEEE 802.11-04/889R0.DOC, 13 August 2004 (2004-08-13), pages 94 - 95, 100 - 101, 110 - 111, 120 - 123, XP008101469 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012114413A1 (ja) * 2011-02-24 2012-08-30 三洋電機株式会社 受信装置
WO2018158876A1 (ja) * 2017-03-01 2018-09-07 三菱重工機械システム株式会社 到来角度特定装置、料金収受システム及び到来角度特定方法
KR20190109518A (ko) * 2017-03-01 2019-09-25 미츠비시 쥬고 기카이 시스템 가부시키가이샤 도래 각도 특정 장치, 요금 수수 시스템 및 도래 각도 특정 방법
GB2573957A (en) * 2017-03-01 2019-11-20 Mitsubishi Heavy Ind Ltd Angle-of-arrival specification device, toll collection system, and angle-of-arrival specification method
JPWO2018158876A1 (ja) * 2017-03-01 2019-12-26 三菱重工機械システム株式会社 到来角度特定装置、料金収受システム及び到来角度特定方法
KR102266016B1 (ko) * 2017-03-01 2021-06-16 미츠비시 쥬고 기카이 시스템 가부시키가이샤 도래 각도 특정 장치, 요금 수수 시스템 및 도래 각도 특정 방법
US11194006B2 (en) 2017-03-01 2021-12-07 Mitsubishi Heavy Industries Machinery Systems, Ltd. Angle-of-arrival identification device, toll collection system, and angle-of-arrival identification method
GB2573957B (en) * 2017-03-01 2022-07-13 Mitsubishi Heavy Ind Mach Systems Ltd Angle-of-arrival identification device, toll collection system, and angle-of-arrival identification method
JP2018019408A (ja) * 2017-09-06 2018-02-01 パナソニック株式会社 無線通信装置及び無線通信方法

Also Published As

Publication number Publication date
EP2043288A1 (en) 2009-04-01
EP2043288B1 (en) 2017-05-17
JPWO2008136200A1 (ja) 2010-07-29
EP2043288A4 (en) 2016-05-25
CN101542999B (zh) 2012-11-07
CN101542999A (zh) 2009-09-23
JP5015245B2 (ja) 2012-08-29
US8179782B2 (en) 2012-05-15
US20100008346A1 (en) 2010-01-14

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